Polymer Technology Which of the following is a copolymer? Teflon PVC Polythene Bakelite Teflon PVC Polythene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² - 20°C and 1 kgf/cm² 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² - 20°C and 1 kgf/cm² 5°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation Generally only one monomer is involved The monomers contain two functional groups The monomers are unsaturated compounds No co-product is lost Generally only one monomer is involved The monomers contain two functional groups The monomers are unsaturated compounds No co-product is lost ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polycarbonates Polytetraflouroethylene(PTFE) Phenolic resins Polymethyl methacrylate (PMMA) Polycarbonates Polytetraflouroethylene(PTFE) Phenolic resins Polymethyl methacrylate (PMMA) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. Polymers made of only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer Vulcanised rubber is more elastic than natural rubber The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Polymers made of only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer Vulcanised rubber is more elastic than natural rubber The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.56 0.91 0.38 0.81 0.56 0.91 0.38 0.81 ANSWER DOWNLOAD EXAMIANS APP